display_change_observer_chromeos_unittest.cc revision d0247b1b59f9c528cb6df88b4f2b9afaf80d181e 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ash/display/display_change_observer_chromeos.h"
6
7#include "ash/display/display_info.h"
8#include "chromeos/display/output_configurator.h"
9#include "chromeos/display/output_util.h"
10#include "testing/gtest/include/gtest/gtest.h"
11
12using chromeos::OutputConfigurator;
13
14typedef testing::Test DisplayChangeObserverTest;
15
16namespace ash {
17namespace internal {
18
19TEST_F(DisplayChangeObserverTest, TestBlackListedDisplay) {
20  EXPECT_TRUE(DisplayChangeObserver::ShouldIgnoreSize(10, 10));
21  EXPECT_TRUE(DisplayChangeObserver::ShouldIgnoreSize(40, 30));
22  EXPECT_TRUE(DisplayChangeObserver::ShouldIgnoreSize(50, 40));
23  EXPECT_TRUE(DisplayChangeObserver::ShouldIgnoreSize(160, 90));
24  EXPECT_TRUE(DisplayChangeObserver::ShouldIgnoreSize(160, 100));
25
26  EXPECT_FALSE(DisplayChangeObserver::ShouldIgnoreSize(50, 60));
27  EXPECT_FALSE(DisplayChangeObserver::ShouldIgnoreSize(100, 70));
28  EXPECT_FALSE(DisplayChangeObserver::ShouldIgnoreSize(272, 181));
29}
30
31TEST_F(DisplayChangeObserverTest, GetResolutionList) {
32  OutputConfigurator::OutputSnapshot output;
33  output.mode_infos[11] = OutputConfigurator::ModeInfo(1920, 1200, false, 60);
34
35  // All non-interlaced (as would be seen with different refresh rates).
36  output.mode_infos[12] = OutputConfigurator::ModeInfo(1920, 1080, false, 80);
37  output.mode_infos[13] = OutputConfigurator::ModeInfo(1920, 1080, false, 70);
38  output.mode_infos[14] = OutputConfigurator::ModeInfo(1920, 1080, false, 60);
39
40  // Interlaced vs non-interlaced.
41  output.mode_infos[15] = OutputConfigurator::ModeInfo(1280, 720, true, 60);
42  output.mode_infos[16] = OutputConfigurator::ModeInfo(1280, 720, false, 60);
43
44  // Interlaced only.
45  output.mode_infos[17] = OutputConfigurator::ModeInfo(1024, 768, true, 70);
46  output.mode_infos[18] = OutputConfigurator::ModeInfo(1024, 768, true, 60);
47
48  // Mixed.
49  output.mode_infos[19] = OutputConfigurator::ModeInfo(1024, 600, true, 60);
50  output.mode_infos[20] = OutputConfigurator::ModeInfo(1024, 600, false, 70);
51  output.mode_infos[21] = OutputConfigurator::ModeInfo(1024, 600, false, 60);
52
53  // Just one interlaced mode.
54  output.mode_infos[22] = OutputConfigurator::ModeInfo(640, 480, true, 60);
55
56  std::vector<Resolution> resolutions =
57      DisplayChangeObserver::GetResolutionList(output);
58  ASSERT_EQ(6u, resolutions.size());
59  EXPECT_EQ("1920x1200", resolutions[0].size.ToString());
60  EXPECT_FALSE(resolutions[0].interlaced);
61
62  EXPECT_EQ("1920x1080", resolutions[1].size.ToString());
63  EXPECT_FALSE(resolutions[1].interlaced);
64
65  EXPECT_EQ("1280x720", resolutions[2].size.ToString());
66  EXPECT_FALSE(resolutions[2].interlaced);
67
68  EXPECT_EQ("1024x768", resolutions[3].size.ToString());
69  EXPECT_TRUE(resolutions[3].interlaced);
70
71  EXPECT_EQ("1024x600", resolutions[4].size.ToString());
72  EXPECT_FALSE(resolutions[4].interlaced);
73
74  EXPECT_EQ("640x480", resolutions[5].size.ToString());
75  EXPECT_TRUE(resolutions[5].interlaced);
76
77  // Outputs without any modes shouldn't cause a crash.
78  output.mode_infos.clear();
79  resolutions = DisplayChangeObserver::GetResolutionList(output);
80  EXPECT_EQ(0u, resolutions.size());
81}
82
83}  // namespace internal
84}  // namespace ash
85